An attempt to determine by experiments, how far some of the most powerful medicines, viz. opium, ardent spirits, and essential oils, affect animals : by acting on those nerves to which they are primarialy applied, and thereby bringing the rest of the nervous system into sufferance, by what is called sympathy of nerves : and how far these medicines affect animals, after being taken in by their absorbent veins, and mixed and conveyed with their blood in the course of its circulation : with physiological and practical remarks / by Alexander Monro.
Essays and observations, physical and literary Vol. 3 (1771), p. 292-365